From: "H. Peter Anvin" <hpa@zytor.com>
To: Stefani Seibold <stefani@seibold.net>
Cc: mingo@kernel.org, linux-kernel@vger.kernel.org,
tglx@linutronix.de, hpa@linux.intel.com,
linux-tip-commits@vger.kernel.org,
Andy Lutomirski <luto@amacapital.net>
Subject: Re: [tip:x86/vdso] x86, vdso: Instead of dummy functions, include < linux/spinlock_up.h>
Date: Mon, 17 Feb 2014 01:27:49 -0800 [thread overview]
Message-ID: <5301D615.8090907@zytor.com> (raw)
In-Reply-To: <1392622944.1036.13.camel@wall-e.seibold.net>
On 02/16/2014 11:42 PM, Stefani Seibold wrote:
> I think for the first time it will be okay to kick out the
> _ASM_X86_SPINLOCK_H hack and accept the C=1 warnings.
>
> At next step it is necessary to make the whole BUILD_VDSO32 path in
> vclock_gettime.c independent from the kernel headers, only uapi/ should
> be included.
>
> The use of cycle_t must be replaced with u64.
>
> We need a own copy of __native_read_tsc(), __iter_div_u64_rem, smp_rmb()
> and cpu_relax().
All of which are quite trivial.
> For the non BUILD_VDSO32 path we must only move the #includes inside
> this #ifndef BUILD_VDSO32
Sorry, didn't quite follow that.
-hpa
next prev parent reply other threads:[~2014-02-17 9:28 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-16 21:52 [PATCH v18 0/10] Add 32 bit VDSO time function support Stefani Seibold
2014-02-16 21:52 ` [PATCH v18 01/10] Make vsyscall_gtod_data handling x86 generic Stefani Seibold
2014-02-17 0:52 ` [tip:x86/vdso] x86, vdso: " tip-bot for Stefani Seibold
2014-02-16 21:52 ` [PATCH v18 02/10] Add new func _install_special_mapping() to mmap.c Stefani Seibold
2014-02-17 0:52 ` [tip:x86/vdso] mm: " tip-bot for Stefani Seibold
2014-02-20 4:51 ` [tip:x86/vdso] mm: Clean up style in install_special_mapping() tip-bot for H. Peter Anvin
2014-02-16 21:52 ` [PATCH v18 03/10] revamp vclock_gettime.c Stefani Seibold
2014-02-17 0:52 ` [tip:x86/vdso] x86, vdso: Revamp vclock_gettime.c tip-bot for Stefani Seibold
2014-02-16 21:52 ` [PATCH v18 04/10] vclock_gettime.c __vdso_clock_gettime cleanup Stefani Seibold
2014-02-17 0:53 ` [tip:x86/vdso] x86, vdso: " tip-bot for Stefani Seibold
2014-02-16 21:52 ` [PATCH v18 05/10] replace VVAR(vsyscall_gtod_data) by gtod macro Stefani Seibold
2014-02-17 0:53 ` [tip:x86/vdso] x86, vdso: Replace VVAR(vsyscall_gtod_data) by the " tip-bot for Stefani Seibold
2014-02-16 21:52 ` [PATCH v18 06/10] cleanup __vdso_gettimeofday Stefani Seibold
2014-02-17 0:53 ` [tip:x86/vdso] x86, vdso: Cleanup __vdso_gettimeofday() tip-bot for Stefani Seibold
2014-02-16 21:52 ` [PATCH v18 07/10] introduce VVAR marco for vdso32 Stefani Seibold
2014-02-17 0:53 ` [tip:x86/vdso] x86, vdso: Introduce " tip-bot for Stefani Seibold
2014-02-16 21:52 ` [PATCH v18 08/10] Add 32 bit VDSO time support for 32 bit kernel Stefani Seibold
2014-02-17 0:53 ` [tip:x86/vdso] x86, vdso: Add 32-bit VDSO time support for the 32-bit kernel tip-bot for Stefani Seibold
2014-02-16 21:52 ` [PATCH v18 09/10] Add 32 bit VDSO time support for 64 bit kernel Stefani Seibold
2014-02-17 0:53 ` [tip:x86/vdso] x86, vdso: Add 32-bit VDSO time support for the 64-bit kernel tip-bot for Stefani Seibold
2014-02-17 0:54 ` [tip:x86/vdso] x86, vdso: Add a lot more dummy locking functions to vclock_gettime.c tip-bot for H. Peter Anvin
2014-02-17 1:48 ` H. Peter Anvin
2014-02-17 3:51 ` [tip:x86/vdso] x86, vdso: Instead of dummy functions, include < linux/spinlock_up.h> tip-bot for H. Peter Anvin
2014-02-17 4:06 ` H. Peter Anvin
2014-02-17 7:42 ` Stefani Seibold
2014-02-17 9:27 ` H. Peter Anvin [this message]
2014-02-17 9:46 ` Stefani Seibold
2014-02-17 9:50 ` H. Peter Anvin
2014-02-17 10:07 ` Stefani Seibold
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